# CheckoutLineItemInput - storefront - INPUT_OBJECT
Version: 2024-04

## Description
The input fields to create a line item on a checkout.

### Access Scopes



## Fields
* [customAttributes](/docs/api/storefront/2024-04/input-objects/AttributeInput): AttributeInput - Extra information in the form of an array of Key-Value pairs about the line item.

The input must not contain more than `250` values.
* [quantity](/docs/api/storefront/2024-04/scalars/Int): Int! - The quantity of the line item.
* [variantId](/docs/api/storefront/2024-04/scalars/ID): ID! - The ID of the product variant for the line item.


## Input objects with this input object
* [CheckoutCreateInput](/docs/api/storefront/2024-04/input-objects/CheckoutCreateInput)
* [checkoutLineItemsAdd](/docs/api/storefront/2024-04/mutations/checkoutLineItemsAdd)
* [checkoutLineItemsReplace](/docs/api/storefront/2024-04/mutations/checkoutLineItemsReplace)


## Examples